<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
    <style>
        a{
            text-decoration: none;
            text-align: center;
            color: brown;
        }
        a:hover{
            color: black;
        }
    </style>
</head>
<body>
<center>
  <h1>首页</h1>
  <a href="/add.html">添加英雄</a>
  <a href="/delete.html">删除英雄</a>
  <a href="/update.html">修改英雄</a>
  <a href="/select">查询英雄</a><br>
</center>
</body>
</html>